80results about How to "Reduce overlay" patented technology

The invention provides an integrated optical waveguide sensor module (200) with reduced signal modulation and increased sensitivity. An optical waveguide sensor module (200) comprises an optically transparent substrate (210) having a first and a second interface and an optical waveguide film (220) disposed on the substrate (210) with the first interface (225) therebetween, wherein the film (220) comprises at least one grating pad (235) that is optically coupled therewith. The substrate (210) and the optical waveguide film (220) are configured to reduce parasitic interference within the substrate.

[Abstract]Considering further promotion of high output and miniaturization of a sensor element, it is an object of the present invention to form a plurality of elements in a limited area so that an area occupied by the element is reduced for integration. It is another object to provide a process which improves the yield of a sensor element. According to the present invention, a sensor element using an amorphous silicon film and an output amplifier circuit constituted by a thin film transistor are formed over a substrate having an insulating surface. In addition, a metal layer for protecting an exposed wire when a photoelectric conversion layer of the sensor element is patterned is provided between the photoelectric conversion layer and the wire connected to the thin film transistor.

The invention discloses a rolling bearing residual life prediction method based on a deep generative adversarial network. The method comprises the following steps: collecting an original vibration signal of a rolling bearing; acquiring characteristic parameters of the original vibration signal; dividing the feature parameters into a training set and a prediction set; sending the training set intoa generator long short-term memory network for training; predicting the degradation process of the rolling bearing, and generating a prediction result; building an automatic encoder model as a discriminator, and discriminating whether a prediction result is from real historical data or not; enabling a generator long short-term memory network and a discriminator automatic encoder to carry out adversarial training to seek an optimal solution; and outputting a rolling bearing residual life prediction result. According to the method, the degradation process of the rolling bearing is predicted through long-term and short-term memory network learning, the prediction result of the long-term and short-term memory network is judged through the automatic encoder, the two methods conduct adversariallearning till the precision requirement is met, the prediction error superposition problem of a traditional method is reduced, and the prediction accuracy is improved.

The invention relates to the multi-layer line board field and particularly relates to a multi-layer line board structure and a manufacturing method thereof. The multi-layer line board structure mainly comprises multiple inner-layer substrates which are sequentially laminated, light core boards are arranged among adjacent inner-layer substrates, outer-layer copper foils are arranged both above the first inner-layer substrate and below the last inner-layer substrate, and prepregs are respectively arranged among the inner-layer substrates and the adjacent light core boards or the outer-layer copper foils. According to the multi-layer line board structure, through combination of the light core boards and the prepregs, lamination of the multiple prepregs is reduced, and problems of board sliding and interlayer offset during stitching of the multiple prepregs are avoided. According to the method, small-current long-time electroplating technological parameters are employed, uniformity of electroplating copper thickness is improved, a copper thickness range value is reduced, and manufacturing precision of an etching line is improved; dense lines and isolate lines are designed in a segment compensation mode, line etching excess and under etching rates are reduced, and a line making qualified rate is improved.

The invention discloses a construction method for a tunnel in a violent rockburst section in a high-altitude area. The construction method includes the steps: S1, providing an overall advanced geological report; S2, providing an on-site prediction report; S3, carrying out advanced support construction; S4, carrying out advanced stress relief; S5, carrying out tunnel excavation; S6, carrying out drainage treatment for water burst; S7, carrying out initial support construction; S8, after initial support construction is completed, carrying out grouting reinforcement on a predicted rockburst occurrence location; and S9, laying a waterproof layer on the surface of steel fiber reinforced concrete, using geotextile for protection, and then carrying out inverted arch and second lining construction. By means of the construction method for the tunnel in the violent rockburst section in the high-altitude area, the probability of occurrence of rockburst can be predicted in advance, and corresponding measures can be taken to reduce or avoid the occurrence of rockburst to ensure the safety of construction personnel and mechanical equipment and ensure the process cycle time and the construction progress.

The invention discloses a roof prism machining technology, and relates to the technical field of roof prism machining. The technology comprises the following machining steps that S01, a roof prism blank is taken, and firstly the blank is ground to be provided with two side surfaces; S02, a large surface of the roof prism blank is ground and polished, and a surface where a roof ridge is located ismachined; S03, the surface where the roof ridge is located is used for positioning, and grinding and polishing are conducted to obtain two right-angle surfaces; and S04, the side surfaces are used forpositioning, and grinding and polishing are carried out to obtain two roof ridge surfaces. According to the technology, each surface is machined in place at a time, the production procedures are reduced by nearly a half, the efficiency is improved by about one time, meanwhile, superposition of manual operation errors in the grinding process and the polishing process is reduced, in addition, the surfaces where the side surfaces and the roof ridge are located are subjected to finish machining before the right-angle surfaces and the roof ridge surfaces are machined, the two surfaces serve as reference faces to be used for positioning and machining the right-angle surfaces and the roof ridge surfaces, and the product precision and the percent of pass are greatly improved.

The invention relates to a bidirectional uniform irradiation antenna feed system. The system comprises a power division feed network (201) and multiple waveguide slit antenna arrays (118), wherein themultiple waveguide slit antenna arrays (118) are uniformly divided into two sets which are arranged up and down, each multiple waveguide slit antenna array (118) comprises eight waveguide slit antennas (402), the waveguide slit antennas (402) are arranged on a first power distributor (505) of the power division feed network (201), and the waveguide slit antennas (402) of the two waveguide slit antenna arrays (118) symmetric to each other up and down are arranged in a staggered mode. The system is advantaged in that bidirectional irradiation is employed, the top portion and the bottom portionrespectively have 32 waveguide slit antennas (402) which radiate to the middle, the radiation field is uniformly distributed, irradiation blind areas are effectively reduced, moreover, the waveguide slit antennas employ a standing wave array antenna mode, irradiation electromagnetic field length is uniformly distributed along the antenna direction, the two adjacent waveguide slit antennas are fedby different frequency sources, slits are in a mutual staggered mode, and electromagnetic field superposition is effectively reduced.

This invention relates to a mammographic tomography test object (hereinafter referred to as a phantom) and more particularly, but not exclusively, to a mammographic tomography test phantom for use in the verification of image reconstruction positions in digital breast tomosynthesis. The phantom includes a body made from an approximately tissue equivalent x-ray attenuating material; an upper spacer located on top of the body, and a lower spacer located below the body, the spacers being made from a substantially non-compressible material; and a plurality of x-ray opaque granules located at predetermined positions within the body.

The invention discloses high-magnetic permeability composite material powder and a preparation method thereof, which belong to the technical field of magnetic powder core preparation. The composite material powder comprises vacuum atomized iron silicon aluminum powder of less than -250 mesh, atomized iron silicon powder of less than -400 mesh and vacuum atomized iron nickel of more than +400 mesh,wherein the weight ratio of the three is (1.8-2.2) to (0.8-1.2) to (3-3.4). The preparation method comprises the following steps of A) proportioning, B) insulation coating, C) pressing, D) sinteringand E) test. The advantages of all aspects such as low loss of the atomized iron silicon aluminum powder, high superposition of the atomized iron silicon powder and high superposition and low loss ofthe atomized iron nickel powder are comprehensively used, ultra-high performance and formability of the powder under specific gradation are applied, a physical coating method is then applied to insulation and bonding, a magnetic core after press molding is subjected to annealing treatment, and a magnetic powder core composite material with excellent comprehensive performance can thus be obtained.

The invention discloses a cell enriching system and a cell enriching method. The cell enriching system comprises a sample bottle, a loading mechanism, a uniformly mixing mechanism, a concentrating anduniformly mixing mechanism and a controller, wherein the loading mechanism can convey the sample bottle; the uniformly mixing mechanism can perform a first uniformly mixing operation on the sample bottle; the concentrating and uniformly mixing mechanism can pierce the bottom of the bottle, and perform sucking and reverse blowing operations on the sample bottle; the controller controls the loadingmechanism to convey the sample bottle to a uniformly mixing position, and then the uniformly mixing mechanism performs the first uniformly mixing operation; after the controller controls the loadingmechanism to convey the sample bottle to a concentrating position, the controller controls the concentrating and uniformly mixing mechanism to pierce the bottom of the bottle to enter a second cavityand repeatedly perform the sucking and reverse blowing operations. The cell enriching system provided by the invention achieves cell concentration by performing the sucking and reverse blowing operations, so that a filter device of the sample bottle and a concentrating needle can be effectively prevented from being blocked, cell superposition can be effectively reduced while cell concentration isaccelerated, and thus the cell enriching quality is improved.

The invention discloses a method, a system and a device for RF synchronous transmitting broadcast television signal which are used for solving problems that noise accumulation forms poor signal in process of the present technique RF signal transmitting, and the system must depend on global locating system time source for synchronizing. The method includes steps as follows: a broadcast television transmitting center equipment generates a synchronous guide frequency signal; the broadcast television base belt signal is modulated for generating RF signal; the broadcast television transmitting center equipment processes digital process to the RF signal for obtaining a digital signal according with a transmitting standard, the digital signal and the synchronous guide frequency signal are sent to each base station; the base station reverts RF signal after synchronous storage process to the digital signal according with the synchronous guide frequency signal, amplify the RF signal and transmits the user terminal.

The invention relates to a contact structure of a non-excitation tapping switch for a transformer. The contactor structure comprises switch supports and a main shaft which are arranged up and down, wherein the main shaft is provided with eccentric supporting pieces; columnar fixed contacts are arranged between the two switch supports at intervals along the circumferential direction; an annular moving contact is bridged between every two adjacent columnar fixed contacts; the annular moving contacts are sleeved on the supporting pieces and are matched with radial slide pins and springs which are arranged on the supporting pieces; each moving contact comprises two or more than two annular moving contacts; and lateral stirring pieces are arranged on both sides of each supporting piece corresponding to the inner holes of the annular moving contacts. The contact structure is characterized in that: the lateral directions of the lateral stirring pieces on one side or both sides are different up and down or staggered, and the lateral stirring pieces are distributed in step or staggered step way. The moving contacts are sectionally stirred in a time division way to effectively reduce the superposition of the maximum rotational torque during the gear shift of the moving contacts and conveniently complete the tapping switch of the switch; the moving contacts are precisely and reliably positioned; and the stable contact performance and reliability of the moving contacts and the fixed contacts are kept unchanged.

The embodiment of the invention provides a display panel. The display panel comprises a plurality of pixel units, and each pixel unit comprises a red area, a green area and a blue area; the display panel comprises a substrate, a blue light-emitting device, a packaging layer and a quantum dot film, the quantum dot film comprises a red quantum dot color area, a green quantum dot color area and a light-transmitting area, the red quantum dot color area is located in the red area, the red quantum dot color area emits red light under excitation of blue light emitted by the blue light-emitting device, the green quantum dot color area is located in the green area, the green quantum dot color area emits green light under excitation of blue light emitted by the blue light-emitting device, the light-transmitting area is located in the blue area, and the light-transmitting area is configured to transmit the blue light emitted by the blue light-emitting device; and the display panel further comprises a light conversion layer arranged between the packaging layer and the quantum dot film. Red light and green light which are emitted downwards are converted into blue light through the light conversion layer, so that superposition and interference between different colors of light emitted by the quantum dot film are reduced, and the color purity of the display panel is improved.

The embodiment of the invention provides a wall-mounted loud-speaking talkback terminal and a loud-speaking talkback system. A hardware circuit board of the wall-mounted loud-speaking talkback terminal comprises a power supply board, an audio signal processing power amplifying board and a digital board, wherein the power supply board comprises two paths of isolated power supplies; the audio signal processing power amplifying board is connected with the power supply board through two paths of power supply input/output interfaces; and the digital board is used for supplying power to the audio signal power processing amplifying board through connection with the other path of power supply input/output interface on the audio signal processing power amplifying board, and is connected with the audio signal processing amplifying board through the audio signal input/output interface and a control configuration interface. According to the wall-mounted loud-speaking talkback terminal provided by the embodiment of the invention, power supply-ground partition is performed on each path of audio signal, so that mutual interference among different paths of sound sources and power supply-ground superposition can be reduced, and the signal to noise ratios of the audio signals are effectively increased.

The invention provides a method for quickly calibrating the concentration of potassium dichromate standard titration solution. The method is characterized by comprising the following steps: preparing standard solution with the concentration equal to that of potassium dichromate standard solution to be calibrated by using standard potassium dichromate and calculating the concentration C1; removing ferrous ion solution, titrating by using standard solution prepared by a standard reagent of the standard potassium dichromate and recording the consumed volume V1; removing ferrous ion solution with the same quantity, titrating by using the potassium dichromate standard solution to be calibrated and recording the volume V2 consumed by the standard solution; and calculating the concentration C2 of the potassium dichromate standard solution to be calibrated by a formula. According to the method, the concentration of the ferrous ion standard solution is not calculated; the concentration of the potassium dichromate standard titration solution is calculated without the concentration of the ferrous ion standard solution; and a blank test is not required. Calibration is performed synchronously; an indicator, blank and the like in the original calibration, and the undetermined superimposed and amplification effect during calculation are reduced; and calibration is accurate, simple and easy to master and calculation is simple and convenient.

The invention relates to the field of ventilation equipment, and is used for a plastic air supply device for an air conditioner. The plastic air supply device for the air conditioner includes an annular leaf baseplate, a wheel hub, a stream guiding ring and multiple blades. The outer diameter of the annular leaf baseplate ranges from 420 mm to 480 mm; the inner diameter size is 75%-85% of the outer diameter size of the annular leaf baseplate, and the shape from an air inlet end of each blade to an air outlet end of the blade is distorted; an upper air inlet angle is different from a lower air inlet angle and both angles are not greater than 10 degrees. An air outlet angle is different from an air outlet angle and both angles range from 20 degrees to 45 degrees. The upper portion of the blade is formed by a connection area and a disconnection area, wherein the connection area and the disconnection area are connected in an integrated mode. The air inlet area between any adjacent blades is 66%-75% of a corresponding air outlet area. The plastic air supply device for the air conditioner has the advantages of being novel in structure, huge in air volume and low in noise.

The invention provides a radar reflectivity data fusion method based on Dialon Fresnel triangulation. The method comprises the following steps: reading reflectivity data information of a plurality ofradars, carrying out the preprocessing, improving the quality of reflectivity data participating in fusion, and forming a reflectivity data point set; performing three-dimensional grid division on thereflectivity data point set by adopting a virtual grid division technology to obtain a plurality of tetrahedrons; constructing a corresponding initial tetrahedron on each grid, and constructing three-dimensional delaunay triangulation for reflectivity data points in the initial tetrahedron by adopting a point-by-point insertion method; traversing to-be-interpolated points contained in each grid by adopting a spatial index method so as to locate a tetrahedron where the interpolation points are located; and calculating interpolation of all grid points in parallel by adopting tetrahedron gravitycenter coordinate interpolation. According to the method, the interpolation processing frequency of the same to-be-interpolated point is reduced, and superposition in the fusion process of multiple pieces of grid data is avoided, so that error accumulation is reduced, and the precision and efficiency of reflectivity fusion are improved.

The invention discloses a uniform gas inlet pipe for a gas engine. The uniform gas inlet pipe comprises a gas inlet chamber (1), a gas inlet chamber (2), a partition (3) and more than two manifolds, the partition (3) is positioned between the gas inlet chamber (1) and the gas inlet chamber (2), more than two pores are arranged on the partition (3), one end of the gas inlet chamber (1) is communicated with gas while the other end of the gas inlet chamber (1) is communicated with the gas inlet chamber (2) through the partition (3), and one end of the gas inlet chamber (2) is communicated with the gas inlet chamber (1) through the partition (3) while the other end of the gas inlet chamber (2) is communicated with cylinders through the manifolds. Since the partition with the pores is additionally mounted in a traditional gas inlet pipe, reflection and superposition of gas pipe pressure waves can be reduced effectively, and interference of pressure waves in a gas inlet main on gas inlet uniformity of each cylinder is reduced.

The invention provides a propeller power device and a ship, and relates to the technical field of ships. A temperature probe comprises a shell, a front end protection structure, a first propeller assembly, a second propeller assembly and a first driving structure, the shell is connected to the bow part, and the front end protection structure penetrates out of the front end of the shell and is located outside the shell; the first propeller assemblies and the second propeller assemblies are arranged on the shell and are in driving connection with the first driving structures correspondingly, and the two first driving structures drive the corresponding first propeller assemblies or the second propeller assemblies to be started at the same time after being started. By rotating, stirring, pumping, guiding and pushing the propellers, water in front of the propeller power device is attracted, dredged and shunted to the two sides and the lower rear portion of the ship, accumulation, superposition and blockage of the water under the collision and extrusion action of the bow are reduced, the wave-making resistance of the bow of the ship is greatly reduced, and the effects of saving more energy and being higher in running speed are achieved for the ship.